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Self-aligning Plain Bearing NSN 3120-01-338-1048

Item Description

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

NSN 3120-01-338-1048 NSN: 3120-01-338-1048

Features and Characteristics

Bore Diameter
Between 0.2496 inches and 0.2502 inches
Outer Member Outside Diameter
Between 0.7490 inches and 0.7500 inches
Outer Member Width
Between 0.4950 inches and 0.5000 inches
Inner Member Width
Between 0.5525 inches and 0.5625 inches
Hardness Rating
55.0 rockwell c outer race member
Material
Steel comp 630 inner membersteel comp 440c outer race memberplastic polytetrafluoroethylene race liner and plastic polyamide race liner and plastic phenolic race liner
Material Specification
Ams 5643 assn standard single material response inner memberams 5630 assn standard single material response outer race membermil-b-81820 military specification single material response race liner
FSC
3120 Unmounted Plain Bearings
NIIN
013381048
NSN
3120013381048

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HTR4TL103
Cage Code:
81376
Status:
A
MSDS:
Part Number:
128SCC8005-1
Cage Code:
26512
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482300040
  • NAICS: 332991
  • SITC: 74630
  • Description: Spherical roller bearings, single row
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-01-338-1048
What are the manufacturers of nsn 3120013381048?
Does this nsn 3120013381048 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120013381048
A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. it is used to carry a load and to reduce sliding friction. it does not employ rolling elements. the item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. the assembly may be either separable or nonseparable. excludes bearing, plain, rod end and bearing, plain, spherical.
Does nsn 3120013381048 contain any precious metals?
No precious metal content.
Does nsn 3120013381048 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120013381048?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13208
FIIG:
A045A0
App. Key:
B
Cond. Code:
1
Status:
A

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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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